var banner = new Array(); banner[0]='https://i.servimg.com/u/f23/15/73/94/42/hpum_c10.jpg'; banner[1]='https://i.servimg.com/u/f23/12/53/44/43/bannhp10.jpg'; banner[2]='https://i.servimg.com/u/f23/12/53/44/43/bannhp12.jpg'; document.getElementById('i_logo').src= banner[Math.floor(Math.random()*banner.length)];